29488
domain: N
Appears in sequences
- Numbers having four 4's in base 9.at n=12A043472
- a(n) = 4 * floor(9*2^n/5).at n=12A102653
- First differences of A163891.at n=39A163893
- Molecular topological index of the n-antiprism graph.at n=18A192791
- Numbers which are representable as a sum of nineteen but no fewer consecutive nonnegative integers.at n=34A270303
- Triangle read by rows: T(n,m) (n >= m >= 1) = number of regions (or cells) formed by drawing the line segments connecting any two of the 2*(m+n) perimeter points of an m X n grid of squares.at n=51A331452